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When exiting SSA form and removing the PHI instructions, rather than inserting a move instruction instead:
When the source move operand is only defined once, replace the defining instruction result operand with the move destination operand instead.
This will avoid useless move instructions and provide better form for the register allocator.
Example:
LoopTests::Loop0()
The text was updated successfully, but these errors were encountered:
- Implement mosa#1142 (Phi improvement)
e69c9d1
2c17bc1
Improve the SSA Exit Stage (#1145)
7c9945c
* - Additional shift/division optimizations * - Additional optimizations * - Additional optimizations * - WIP * - WIP * - WIP * - WIP * - Implement #1142 (Phi improvement) * - Implement #1142 (Phi improvement) * - WIP
tgiphil
Successfully merging a pull request may close this issue.
When exiting SSA form and removing the PHI instructions, rather than inserting a move instruction instead:
When the source move operand is only defined once, replace the defining instruction result operand with the move destination operand instead.
This will avoid useless move instructions and provide better form for the register allocator.
Example:
LoopTests::Loop0()
The text was updated successfully, but these errors were encountered: